Volcanoes

Question 0

Secondary effects

Answer 0

Mud flows, more death and damage 
Fires, started by lava, which spread
Psychological damage
Homeless 
Food and water shortage
Unemployment 
Acid rain

Question 1

Primary effects

Answer 1

Infrastructure destroyed by lava and pyroclastic flows and falling ash
People and animals killed or injured suffocated by CO2
Crops and water supplies are damaged by ash

Question 2

How is it caused

Answer 2

Oceanic plate is sub ducted into the mantle where It is melted
Pool of magma forms
Magma rises to fill cracks
The magma erupts onto the surface forming a volcano

Question 3

Where are they formed

Answer 3

At destructive and constructive plate boundaries
Some form over hot parts of the mantle ( hot spots ) e.g. Hawaii
Most found on pacific ring of fire

Question 4

Why do they form along plate boundaries

Answer 4

Where magma rises to form volcanoes

Question 5

Advantages of living near a volcano

Answer 5

Soil is fertile because of minerals
Tourists
Geothermal energy used to generate electricity

Question 6

How can the effects be reduced

Answer 6

Predict - seismometers, records seismic activity
Satellites - detects heat change
Protect - stronger buildings, no flat roofs
Prepare - educate, emergency kits, evac zone, money